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The mass of the earth is 6x1024kg and its radius is 6400km. Calculate the height above the earth surface at which the value of acceleration due to gravity will be 4.9m/s |
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Answer» The VELOCITY of an OBJECT is the rate of change of its position with respect to a frame of reference,and is a FUNCTION of time. Velocity is a physical vector QUANTITY; both magnitude and direction are NEEDED to define it .. |
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